Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
From version 162.1
edited by Mengting Qiu
on 2023/12/11 11:49
on 2023/12/11 11:49
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To version 165.1
edited by Mengting Qiu
on 2023/12/11 15:12
on 2023/12/11 15:12
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... ... @@ -311,7 +311,19 @@ 311 311 312 312 Actual sampling distance values. 313 313 314 +**Example:** 314 314 316 +**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120 ** 317 + 318 +The distance is detected every 120ms. 319 + 320 +When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time. 321 + 322 +When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted. 323 + 324 +If payload is: 0708H: distance = 0708H = 1800 mm 325 + 326 + 315 315 (% style="color:blue" %)**Upper limit:** 316 316 317 317 The upper limit of the threshold cannot exceed 2000mm. ... ... @@ -324,17 +324,69 @@ 324 324 325 325 * **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120** 326 326 327 -Continuous measurement, detect and count people or things passing by in distance limit mode. 339 +Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes. 328 328 329 329 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %) 330 330 |(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2** 331 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance LimitAlarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit343 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance limit alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit 332 332 333 333 [[image:image-20231209173457-5.png||height="277" width="1098"]] 334 334 347 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:** 335 335 349 +(% style="color:red" %)**MOD:** 336 336 351 +**Example: ** (0x60>>6) & 0x3f =1 337 337 353 +**0x01:** Regularly detect distance and report. 354 +**0x02: ** Uninterrupted measurement (external power supply). 355 + 356 +(% style="color:red" %)**Alarm:** 357 + 358 +When the detection distance exceeds the limit, the alarm flag is set to 1. 359 + 360 +(% style="color:red" %)**Do:** 361 + 362 +When the distance exceeds the set threshold, pull the Do pin high. 363 + 364 +(% style="color:red" %)**Limit flag:** 365 + 366 +Mode for setting threshold: **0~~3** 367 + 368 +**0:** does not use upper and lower limits 369 + 370 +**1:** Use upper and lower limits 371 + 372 +**2:** Less than the upper limit 373 + 374 +**3: **Greater than the lower limit 375 + 376 + 377 +(% style="color:blue" %)**Distance limit alarm count:** 378 + 379 +People or objects are collected and counted within a limited distance. 380 + 381 +The detection of a stationary person or object at each sampling time will be repeated three times, and the fourth sampling count will be added by 1. 382 + 383 +**Example:** 384 + 385 +**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120 ** 386 + 387 +People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms. 388 + 389 +If payload is: 0x56H, interrupt count =0x56H =86 390 + 391 + 392 +(% style="color:blue" %)**Upper limit:** 393 + 394 +The upper limit of the threshold cannot exceed 2000mm. 395 + 396 + 397 +(% style="color:blue" %)**Lower limit:** 398 + 399 +The lower limit of the threshold cannot be less than 3mm. 400 + 401 + 338 338 == 2.4 Decode payload in The Things Network == 339 339 340 340 ... ... @@ -566,7 +566,7 @@ 566 566 567 567 568 568 569 -**AT+DOL= 5,1800,0,0,400**633 +**AT+DOL=1,1800,3,0,400** 570 570 )))|(% rowspan="4" style="width:240px" %)((( 571 571 572 572 ... ... @@ -603,6 +603,30 @@ 603 603 604 604 * Example 3: Downlink Payload: 070300000064000190 **~-~-->** AT+MOD=3,0,100,0,400 605 605 670 +(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.** 671 + 672 +**For example:** 673 + 674 +* **AT+MOD=1** 675 + 676 + **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300** 677 + 678 +Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1: 679 + 680 +[[image:image-20231211113204-2.png||height="292" width="1093"]] 681 + 682 +* **AT+MOD=2 ** 683 + 684 + **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300** 685 + 686 +If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1: 687 + 688 +[[image:image-20231211114932-3.png||height="277" width="1248"]] 689 + 690 + 691 + 692 + 693 + 606 606 = 4. Battery & Power Consumption = 607 607 608 608